lucene-java-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From se3g2011 <se3g2...@gmail.com>
Subject Re: java.io.IOException when trying to list terms in index (IndexReader)
Date Sun, 02 Aug 2009 08:18:31 GMT

hi,as you the error messages you listed below,pls put the 'reader.close()'
block to the bottom of method.
i think,if you invoke it first,the infrastructure stream is closed ,so
exceptions is encountered.


ohaya wrote:
> 
> Hi,
> 
> I changed the beginning of the try to:
> 
> 		try {
> 			System.out.println("About to call .next()...");
> 			boolean foo = termsEnumerator.next();
> 			System.out.println("Finished calling first .next()");
> 			System.out.println("About to drop into while()...");
> .
> .
> .
> 
> and here's what I got when I ran the app:
> 
> Index in directory :[C:\lucene-devel\lucene-devel\index] was opened
> successfully!
> About to call .next()...
> ** ERROR **: Exception while stepping through index: [java.io.IOException:
> The handle is invalid]
> java.io.IOException: The handle is invalid
> 	at java.io.RandomAccessFile.seek(Native Method)
> 	at
> org.apache.lucene.store.FSDirectory$FSIndexInput.readInternal(FSDirectory.java:591)
> 	at
> org.apache.lucene.store.BufferedIndexInput.readBytes(BufferedIndexInput.java:136)
> 	at
> org.apache.lucene.index.CompoundFileReader$CSIndexInput.readInternal(CompoundFileReader.java:247)
> 	at
> org.apache.lucene.store.BufferedIndexInput.refill(BufferedIndexInput.java:157)
> 	at
> org.apache.lucene.store.BufferedIndexInput.readByte(BufferedIndexInput.java:38)
> 	at org.apache.lucene.store.IndexInput.readVInt(IndexInput.java:78)
> 	at org.apache.lucene.index.TermBuffer.read(TermBuffer.java:64)
> 	at org.apache.lucene.index.SegmentTermEnum.next(SegmentTermEnum.java:127)
> 	at ReadIndex.main(ReadIndex.java:29)
> 
> Jim
> 
> ---- ohaya@cox.net wrote: 
>> Hi,
>> 
>> BTW, the next() method is an abstract method in the Javadocs.  Does that
>> mean that I'm suppose to have my own implementation?
>> 
>> Jim
>> 
>> 
>> ---- ohaya@cox.net wrote: 
>> > Phil,
>> > 
>> > I posted in haste.  Actually, from the output that I posted, doesn't it
>> it look like the .next() itself is throwing the exception?
>> > 
>> > That is what has been puzzling me.  It looks like it got through the
>> open() and terms() with no problem, then it blew up when calling the
>> next()?
>> > 
>> > Jim
>> > 
>> > 
>> > ---- ohaya@cox.net wrote: 
>> > > Phil,
>> > > 
>> > > Yes, that exception is not very helpful :)!!
>> > > 
>> > > I'll try your suggestions and post back.
>> > > 
>> > > Thanks,
>> > > Jim
>> > > 
>> > > 
>> > > ---- Phil Whelan <phil123@gmail.com> wrote: 
>> > > > Hi Jim,
>> > > > 
>> > > > I cannot see anything obvious, but both open() and terms() throw
>> > > > IOException's. You could try putting these in separate try..catch
>> > > > blocks to see which one it's coming from. Or using
>> e.printStackTrace()
>> > > > in the catch block will give more info to help you debug what's
>> > > > happening.
>> > > > 
>> > > > On Sat, Aug 1, 2009 at 7:09 PM, <ohaya@cox.net> wrote:
>> > > > >                        reader = IndexReader.open(args[0]);
>> > > > >                        Term term = new Term("path",
"");
>> > > > >                        termsEnumerator = reader.terms(term);
>> > > > 
>> > > > Cheers,
>> > > > Phil
>> > > > 
>> > > >
>> ---------------------------------------------------------------------
>> > > > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> > > > For additional commands, e-mail: java-user-help@lucene.apache.org
>> > > > 
>> > > 
>> > > 
>> > > ---------------------------------------------------------------------
>> > > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> > > For additional commands, e-mail: java-user-help@lucene.apache.org
>> > > 
>> > 
>> > 
>> > ---------------------------------------------------------------------
>> > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> > For additional commands, e-mail: java-user-help@lucene.apache.org
>> > 
>> 
>> 
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
>> For additional commands, e-mail: java-user-help@lucene.apache.org
>> 
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
> 
> 
> 

-- 
View this message in context: http://www.nabble.com/java.io.IOException-when-trying-to-list-terms-in-index-%28IndexReader%29-tp24774351p24775753.html
Sent from the Lucene - Java Users mailing list archive at Nabble.com.


---------------------------------------------------------------------
To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
For additional commands, e-mail: java-user-help@lucene.apache.org


Mime
View raw message